AUS - HRL

$49 Find Cheap Flights from Austin to Harlingen

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Austin to Harlingen departing on 10/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Harlingen

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Austin to Harlingen, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Austin to Harlingen, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Austin to Harlingen (AUS-HRL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Austin to Harlingen that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Austin to Harlingen

Tue, Oct 7 - Wed, Oct 8
Southwest Logo
8:30 pm - 9:40 pmAUS-HRL
1h 10mnonstop
Southwest Logo
6:10 pm - 7:25 pmHRL-AUS
1h 15mnonstop
$97Southwest
Find Deal
Tue, Oct 7 - Wed, Oct 8
Southwest Logo
9:20 am - 3:05 pmAUS-HRL
5h 45m1 stop
Southwest Logo
7:30 am - 8:45 amHRL-AUS
1h 15mnonstop
$107Southwest
Find Deal
Tue, Oct 7 - Wed, Oct 8
Southwest Logo
1:45 pm - 6:30 pmAUS-HRL
4h 45m2 stops
Southwest Logo
6:10 pm - 7:25 pmHRL-AUS
1h 15mnonstop
$112Southwest
Find Deal
Tue, Oct 7 - Wed, Oct 8
Southwest Logo
6:30 am - 9:55 amAUS-HRL
3h 25m1 stop
Southwest Logo
11:45 am - 7:20 pmHRL-AUS
7h 35m2 stops
$122Southwest
Find Deal
Tue, Oct 7 - Wed, Oct 8
Southwest Logo
9:20 am - 5:25 pmAUS-HRL
8h 05m2 stops
Southwest Logo
11:45 am - 7:20 pmHRL-AUS
7h 35m2 stops
$127Southwest
Find Deal
Fri, Oct 3 - Mon, Oct 6
United Airlines Logo
7:47 pm - 11:18 pmAUS-HRL
3h 31m1 stop
United Airlines Logo
7:00 am - 11:04 amHRL-AUS
4h 04m1 stop
$189United Airlines
Find Deal
Mon, Sep 29 - Fri, Oct 3
United Airlines Logo
7:47 pm - 11:18 pmAUS-HRL
3h 31m1 stop
United Airlines Logo
5:00 am - 11:04 amHRL-AUS
6h 04m1 stop
$199United Airlines
Find Deal
Fri, Sep 26 - Mon, Sep 29
United Airlines Logo
5:37 pm - 11:18 pmAUS-HRL
5h 41m1 stop
United Airlines Logo
5:17 pm - 10:30 pmHRL-AUS
5h 13m1 stop
$203United Airlines
Find Deal
Tue, Oct 28 - Fri, Oct 31
American Airlines Logo
6:00 am - 9:38 amAUS-HRL
3h 38m1 stop
American Airlines Logo
10:06 am - 1:27 pmHRL-AUS
3h 21m1 stop
$219American Airlines
Find Deal
Fri, Sep 26 - Mon, Sep 29
American Airlines Logo
6:06 pm - 10:57 pmAUS-HRL
4h 51m1 stop
American Airlines Logo
6:35 pm - 10:49 pmHRL-AUS
4h 14m1 stop
$254American Airlines
Find Deal

Everything you should know

Top airlines
Southwest
Cheapest • from $97 (round-trip)
Southwest
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to travel
May
Cheapest • 45% price drop
November
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest round-trip
$97
Overall average: $127
Southwest
Tue 10/7Wed 10/8
AUS - HRL • Non-stop
Cheapest one-way
$49
Typical prices: $64-103
Southwest
Thu 10/16
AUS - HRL • Non-stop
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Harlingen!
Booking Insights

KAYAK's insights & trends for Austin to Harlingen flights

Get data-powered insights and trends into flights from Austin to Harlingen to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Austin to Harlingen?

The average price of all round-trip flights from Austin to Harlingen clicked on KAYAK for each day over the last 12 months.

For Austin to Harlingen, Saturday is the cheapest day to fly on average and Monday is the most expensive. Flying from Harlingen back to Austin, the best deals are generally found on Saturday, with Thursday being the most expensive.

What is the cheapest month to fly from Austin to Harlingen?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Austin to Harlingen, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Austin to Harlingen is May, where tickets cost $99 (return) on average. On the other hand, the most expensive months are August and June, where the average cost of round-trip tickets is $367 and $212 respectively.

Good to know

Low seasonApril
Cheapest flight$49
Best time to beat the crowds with an average 2% drop in price.
Most popular time to fly and prices are also 13% lower on average.
Flight from Austin to Harlingen

When to book flights from Austin to Harlingen

Are your dates flexible? Find out the best times to travel from Austin to Harlingen based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Austin to Harlingen

  • What is the cheapest flight from Austin to Harlingen?

    In the last 3 days, the lowest price for a flight from Austin to Harlingen was $49 for a one-way ticket and $97 for a round-trip.

  • Do I need a passport to fly between Austin and Harlingen?

    A passport is not required to fly from Austin to Harlingen.

  • Which airports will I be using when flying from Austin to Harlingen?

    Austin airport is called Austin Bergstrom and the only airport in Harlingen is Harlingen Valley Intl.

  • Which aircraft models fly most regularly from Austin to Harlingen?

    The Boeing 737-700 Passenger/BBJ1 (winglets) is the aircraft model that flies most regularly on the Austin to Harlingen flight route.

  • On which days can I fly direct from Austin to Harlingen?

    There are nonstop flights from Austin to Harlingen on a daily basis.

  • Which is the best airline for flights from Austin to Harlingen, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from Austin to Harlingen are Southwest and Delta. With an average price for the route of $192 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $134 and an overall rating of 7.9.

  • How does KAYAK find such low prices on flights from Austin to Harlingen?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Austin to Harlingen.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Austin to Harlingen?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Harlingen from Austin is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Austin to Harlingen?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Harlingen with an airline and back to Austin with another airline. Booking your flights between Austin and HRL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Austin to Harlingen?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Harlingen from Austin up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Austin to Harlingen

  • Looking for a cheap flight? 25% of our users found flights on this route for $68 or less one-way and $278 or less round-trip.

Prefer to fly direct from Austin to Harlingen?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Austin Bergstrom to Harlingen Valley Intl.
Find which airlines fly direct from Austin Bergstrom Airport to Harlingen Valley Intl Airport, which days they fly and book direct flights.

Direct departures

Austin Bergstrom to Harlingen Valley Intl

Monday

Southwest

Southwest

Tuesday

Southwest

Southwest

Wednesday

Southwest

Southwest

Thursday

Southwest

Southwest

Friday

Southwest

Southwest

Saturday

Southwest

Southwest

Sunday

Southwest

Southwest

See more direct flights

Direct returns

Harlingen Valley Intl to Austin Bergstrom

Monday

Southwest

Southwest

Tuesday

Southwest

Southwest

Wednesday

Southwest

Southwest

Thursday

Southwest

Southwest

Friday

Southwest

Southwest

Saturday

Southwest

Southwest

Sunday

Southwest

Southwest

See more direct flights

Reviews of the top airlines flying from Austin to Harlingen

 
See real verified KAYAK customer reviews for airlines flying from Austin to Harlingen. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Austin to Harlingen? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4242 reviews
7.5Entertainment
8.1Boarding
8.0Comfort
8.6Crew
7.0Food
Airline reviews

AC sub par. WiFi not working correctly. Ac sucked. Seats very narrow.

2.0 MediocreMike, Aug 2025AUS - BWI
Read more Southwest reviews

AC sub par. WiFi not working correctly. Ac sucked. Seats very narrow.

southwest just starting charging for luggage. hadnt realized it until it was too late. now out $70 when i couldve bought a carry on if i wouldve known. free bags was one of the only reasons i chose southwest over another airline (the other being no assigned seats, which is apparently also being changed). stupid business decision. wont be flying southwest anymore.

Bring back peanuts Take our drink orders when were all seated, especially after you switch to assigned seating.

I’ve always loved Southwest. No issues at all. I was flying standby and the gate agent was extremely friendly and helpful. Boarding was smooth and I was able to get a window seat in the emergency exit row. Crew was fantastic! They were very professional and accommodating. We had to divert from our destination due to weather but the flight crew kept everyone at ease and informed us of all pertinent information. Excellent flight

Plane late from DC to Austin 30 minutes. Crew made up much of the time enroute to San Diego.

Multiple delays and gate changes. Arrived at final destination 6 hours late. All rental cars had been taken.

Fine, but how to board on SW versus othrr airlines, is just lame. Goood staff though and all was solid otherwise.

The movies using Southwest WiFi kept pausing and I had to restart multiple times.

First, my flight was a usual flight nothing exceptional or unexpected. Over all it was a normal, good flight! Second, your questionaire is wholly lacking in the proper options to which one can answer a question. Often on short flights, there is no food let alone entertainment so why isn't that reflected in your questionaire? A simple "not applicable" would cover that issue appropriately but no, your form arbitrarily enters an answer based on the initial assessment which normally isn't factual. Until you provide an accurate means of assessing flights, I'll no longer be completing of these unimpressive and misleading assessements. Thank you!

Easy to book and to get check in and get on and off.

Perfect flight both ways. On time, courteous staff, plane comfortable and cool. Best domestic flights I’ve had in awhile.

Really low quality food especially for an international flight. The crew also was surprisingly unpleasant except couple of ladies. I know we were not in first class but that’s no reason to treat customers as less.

Flight delayed for two and half hours and then canceled altogether due to mechanical issues. No mechanic onsite to fix so had to send one from LAX.

Crew was good. The reservation got mixed up and they didn't have my TSA number. I am also a Silver Medallion and wasn't able to use Sky Priority.

Delta made it easy, comfortable and timely. The crew was fantastic.

This route with Delta always has delays or is cancelled. Aircrafts seem smaller and older. I fly Delta quite a bit - haven’t had issues with the international flights. But this route has always been the troublesome one

Three seats in first class were broken and while they were able to still acommodate us it was looking very touch and go and they had others they could not acommodate

Mechanic delay in addition to a 2 hour change in takeoff time was frustrating.

Delayed due to thunderstorms and no in-flight service due to rough weather — both of which are out of Delta’s control. Flight was good overall.

The flight attendants in SLC were rude. I arrived 40 minutes early to gate. Ticket said I needed check in for seat assignments and tried check in and attendants said they weren’t doing it. And proceeded to never call me to give me a ticket so when time to board I received the very last seat. Please relay to employees to do their job better..,

Everything you need to know for your flight from Austin to Harlingen

Information on your arrival and departure airports

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.